A mattress manufacturer produces mattresses in 5 locations in the North America. The company is planning a new production plant which will supply box springs to all 5 mattress plants. The mattress plants have been located on a coordinate system as follows: Mattress Plant Coordinates (X,Y) A 7,2 4,5 5,4 6,1 E 8,3 Suppose shipments of box springs to each plant per week were the following: plant A 200 units; plant B 400 units; plant C 300 units; plant D 400 units; plant E 100 units. Which of the following is the closest to the optimal location for the box spring plant? A. 7.7,4.3 В. 5.5, 3.1 O C. 4.3,7.7 O D. 3.1,4.3 E. 3.1,5.5
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- DryIce, Inc. is a manufacturer of air conditioners that has seen its demand grow significantly. The company anticipates nationwide demand for the year 2010 to be 180,000 units in the South; 120,000 units in the Midwest; 110,000 units in the East; and 100,000 units in the West. Managers at DryIce are designing the manufacturing network and have selected four potential sites – New York, Atlanta, Chicago, and San Diego. Plants could have a capacity of either 200,000 or 400,000 units. The annual fixed costs at the four locations are shown in the table below, along with the cost of producing and shipping an air conditioner to each of the four markets. Where should DryIce build its factories and how large should they be? New York Atlanta Chicago San Diego Annual fixed cost of 200,00 plant $6 miilion 5.5 million 5.6 million 6.1 million Annual fixed cost of 400,000 $10 million $9.2 million 9.3 million 10.2 million EAST $211 $232 $238 $299 SOUTH $232 $212…Grave City is considering the relocation of several police substations to obtain better enforcement in high-crime areas. The locations under consideration together with the areas that can be covered from these locations are given in the following table: Potential Locationsfor Substations Areas Covered A 1, 5, 7 B 1, 2, 5, 7 C 1, 3, 5 D 2, 4, 5 E 3, 4, 6 F 4, 5, 6 G 1, 5, 6, 7 Formulate an integer programming model that could be used to find the minimum number of locations necessary to provide coverage to all areas.Mitch just built 4 franchise locations for his newest pizzerias and wants to decide where to put his headquarters. He makes 1 weekly visit to his Northside store (X = 3, Y = 10), 2 visits to his Eastside store (X = 4, Y = 6), 3 visits to his Southside store (X = 2, Y = 5) & 4 visits to his Westside store (X = 1, Y = 4). __________ 1. Using the store visits as weights, compute the coordinates of the center of gravity to help him with his location decision.
- A farmers' cooperative association plans to build a new sugar mill in Georgetown. Theprimary objective of the mill is to provide the farmers with a place to take their crop forprocessing that will reduce their transportation costs. The members of the co-op believe thatthe center-of-gravity method is appropriate for this objective. While there are over 200 sugarcane farms in the region, they are tightly clustered around six villages. Using the data below,use the center-of-gravity method to calculate the coordinates of the best location for this mill.All mileage references use Browns Town as (0,0).VillageMiles East ofBrowns TownMiles North ofBrowns TownSugar CanetonnageBarney Valley 90 10 240,000Blue Pasture 140 60 320,000Congo Valley 20 70 450,000Bower 50 20 120,000Rabacca 100 80 60,000Salem 10 120 140,000The Palestinian ministry of sports has four basketball games on a particular night. The ministry wants to assign four teams of officials to the four games in a way that will minimize the total distance traveled by the officials. The supply is always one team of officials and the demand is for only one team of officials at each game. The distances in km for each team of officials to each game location are shown in the following table officials 1 2 3 a 100 150 120 b 130 210 90 c 120 170 90 A) Formulate this problem as Assignment Model (the objective function and constraint equations for the demand and supply) . b) Use QM to solve the Model.A&B Transport Co. is a company that manages a food supply chain. The problem involves the delivery of cargo (canned peas) from four canneries (loading ports) to three destination ports, using tankers. Since the shipping costs are a major expense for the company, management is initiating a study to reduce them as much as possible. For the upcoming season, has come up with an estimation of the available output from each cannery. Furthermore, each destination port has also specific requirements for the total supply of peas that have to be satisfied. This information (in units of tanker loads), along with the shipping cost per tanker load for each loading - destination port combination, is given in Tables 1 and 2. The problem for the A&B Transport Co. is to determine the shipping strategy given the various loading - destination port combinations, so that the total shipping costs are minimised. Question 1 . A&B Transport Co is thinking of including in its strategy the shipment…
- A logistics company plans to provide coal logistics transportation services to HY coal sales enterprise. HY coal sales enterprise has coal storage and sales points in B and D, with available coal quantities of 1600t and 8000t, respectively; A and C represents the locations of two coal users, with a demand of 8000t and 1600t respectively. The distribution of relevant locations and travel distances are shown in Figure 1. Based on the above conditions, try to calculate and explain from the perspective of transportation capacity consumption: How should logistics company HY plan transportation routes in order to make them more reasonable? (a transportation route planning scheme needs to be illustrated) . Note:The solution should not be hand written.A chain of home health care firms in Louisiana needsto locate a central office from which to conduct internal audits and other periodic reviews of its facilities. These facilities are scat-tered throughout the state, as detailed in the following table. Each site, except for Houma, will be visited three times each year by ateam of workers, who will drive from the central office to the site. Houma will be visited five times a year. Which coordinates rep-resent a good central location for this office? What other factors might influence the office location decision? Where would youplace this office? Explain. PXCITY MAP COORDINATESx yCovington 9.2 3.5Donaldsonville 7.3 2.5Houma 7.8 1.4Monroe 5.0 8.4Natchitoches 2.8 6.5New Iberia 5.5 2.4Opelousas 5.0 3.6Ruston 3.8 8.5A single facility is needed to meet the demands of four markets. The locations and demands ofthese four markets are shown below. Market Coordinates Demand A (8,6) 10 B (4,12) 15 C (3,2) 10 D (9,6) 6 1.Using the data in the table above, identify an optimal location for the new facility. 2. A manufacturing firm is considering three potential locations for a new parts manufacturing facility. Aconsulting firm has assessed three sites based on the four factors supplied by management as critical tothe location's success. Management-supplied the factor weights and the consultant team scores as seen as in the table below. Scores are based on 50 = best. Location Factor Weight A B C Labour climate 10 35 45 20 taxes 30 30 40 40 utilities 20 25 20 45 wages 40 10 25 25 Which location should be selected and why?
- A rapidly expanding company is looking to lease a small plant in Memphis, Tennessee, Biloxi, Mississippi, or Birmingham, Alabama. Prepare a cost benefit study for each of the three locations using the following data: The annual construction, facilities, and administration expenses for Memphis, Biloxi, and Birmingham will be $40,000, $60,000, and $100,000, respectively. In Memphis, labour and materials are estimated to cost $8 per month, $4 in Biloxi, and $5 in Birmingham. The Memphis site would add $50,000 a year to device transportation expenses, the Biloxi location would add $60,000 per year, and the Birmingham location would add $25,000 per year. The annual production is expected to be 10,000 units.Joe’s Sports Supplies Corporation is considering whereto locate its warehouse in order to service its four stores in fourtowns: A, B, C, and D. Two possible sites for the warehouse arebeing considered, one in Jasper and the other in Longboat. Th efollowing table shows the distances between the two locationsbeing considered and the four store locations. Also shown are theloads between the warehouse and the four stores. Use the load–distance model to determine whether the warehouse should belocated in Jasper or in Longboat.A concrete company transports concrete from their three plants in Nyanyano.- town, Feteh. -town and Tuba.- town to their three construction sites in Ofaakor.- site, Papaase.- site and Krodua. -site. The supply capacities of the three plants, the demand requirements at the three sites, and the transportation costs per ton are as follows: Construction Site Plant O.- site P.- site K. -site Supply(tons) N. town GHs 8 GHs 5 GHs 6 GHs 120 F. town 15 10 12 80 T. town 3 9 10 80 Demand(tons) 150 70 100 280 XXXa) Establish the decision variables for this transportation problem. XXXb) Develop a network graph showing all costs and decision variables. c) i. Formulate the mathematical model that will be used to solve the problem on a computer ii. Fine the initial feasible solution using the Northwest Corner Rule and the total cost. PLEASE ANSWER ONLY C i and C ii PART OF THE QUESTION.